I'm going to be biased as I've been wanting a PS3 for some time now, but if you're even somewhat of a PC gamer, then the Xbox 'exclusives' are a pure joke. They have few 'technical' exclusives, and those aren't even that great. The PS3 has much better exclusives which have already been mentioned already. And curious...where are you getting a PS3 for $100?
As a present, my mom said that she would pay for 200$ on the bestbuy credit card and i would have to pay the rest, but i have 100$ in giftcards, so i would only be paying 100$ out of pocket, then they give you a 50$ giftcard back so ill just turn around and get GT5 or another game.